Digestive and Contrast Review

Question 1

the distal esophagus empties its contents into which of the following?

Answer 1

Cardiac antrum

Question 2

Which opening is located between the stomach and small intestine?

Answer 2

Pyloric orifice

Question 3

Which structure is the pouch-like part of the large intestine situated below the junction of the ileum and the colon?

Answer 3

Cecum

Question 4

Approximately how long does it usually take a barium meal to reach the rectum?

Answer 4

24 hours

Question 5

For a double-contrast UGI examination with the patient recumbent, which projection produces the best image of a gas-filed fundus?

Answer 5

PA oblique projection, RAO position

Question 6

For the UGI examination with the patient recumbent, which projection best demonstrates the right retrogastric space?

Answer 6

Right lateral projection

Question 7

To which level of the patient should the central ray be directed for the PA oblique projection, RAO position , as part of the UGI examination?

Answer 7

L1-L2

Question 8

For a small bowel series of a patient with hypomotility of the small intestine, which procedure should be performed to accelerate peristalsis?

Answer 8

Instruct the patient to drink a glass of ice water

Question 9

Which procedure should be accomplished when inserting the enema tip for a BE?

Answer 9

Ensure that the tip is inserted no more than 3.5 to 4 inches

Question 10

For the PA projection during a BE, what is the advantage of placing the x-ray table and patient in a slight Trendelenburg position?

Answer 10

To help separate overlapping loops of the distal bowel

Question 11

Which structure of the large intestine is of primary interest for the PA oblique projection, RAO position, during BE examinations?

Answer 11

Right colic flexure

Question 12

Which tow oblique projections can be performed to best demonstrate the left colic flexure during a BE?

Answer 12

PA oblique projection, LAO position; and AP oblique projection, RPO position

Question 13

Which structure of the large intestine is best demonstrated if the patient is rotated 45 degrees from a supine position to move the right side of the abdomen away from the x-ray table during a BE?

Answer 13

Right colic flexure

Question 14

Which BE projection requires that a 10 x 12 inch IR be placed lengthwise and centered to the level of the ASIS?

Answer 14

lateral projection

Question 15

Which BE projection does not require colic flexures to be included in the image?

Answer 15

Lateral projection